Re-enable "Create" button for invoices on correct form input (#2694)
Re-enable "Create" button for invoices on correct form input (#2694)

* Re-enable "Create" button for invoices on correct form input

fix #2693

* Use a more specific selector for form inputs
btcpayserver/btcpayserver,btcpayserver/btcpayserver,btcpayserver/btcpayserver,btcpayserver/btcpayserver